Finding the Fourth Proportional to 2,358,863,707.20, 3,538,295,560.80 and 805,922,246.40
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Solution
The fourth proportional to 2,358,863,707.20, 3,538,295,560.80 and 805,922,246.40 is: 1,208,883,369.60
Step by Step Solution
- Step 1: Write the proportion equation
2,358,863,707.20 : 3,538,295,560.80 = 805,922,246.40 : x - Step 2: Convert to fraction form
2,358,863,707.20/3,538,295,560.80 = 805,922,246.40/x - Step 3: Cross multiply
2,358,863,707.20x = 3,538,295,560.80 × 805,922,246.40 - Step 4: Simplify right side
2,358,863,707.20x = 2,851,591,106,787,083,776 - Step 5: Solve for x
x = 2,851,591,106,787,083,776/2,358,863,707.20 - Step 6: Final answer
x = 1,208,883,369.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.